Trishuli Hydropower & Upper Trishuli‑1 | Nepal’s Clean Energy Game‑Changer🔥

Описание: 🌊 Trishuli Hydropower Station – Nepal’s First Peaking Run-of-River Power Plant

Located in Nuwakot District on the banks of the Trishuli River, the Trishuli Hydropower Station is a historic milestone in Nepal’s electricity generation. Built in 1967 with support from the Government of India, the plant started with a capacity of 21 MW and was later upgraded to 24 MW (7 units × 3.5 MW each).


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⚙️ Key Technical Facts

Type: Peaking run‑of‑river plant (semi‑reservoir)

Hydraulic Head: ~51.4 m

Annual Generation: ~163–304 GWh (design capacity: 163 GWh; FY 2021/22: 137 GWh)

Ownership & Operation: Nepal Electricity Authority (NEA)



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🚧 Renovation & Modernization

1995: Upgraded to 24 MW

2023: Major renovation began with:

New bypass canal (1,200 m, 50 m³/s) to avoid reservoir sedimentation

Modern equipment for higher efficiency

Target to maintain generation during restoration works




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🌊 Cascade Projects on Trishuli River

Along the Trishuli River, several cascade projects support Nepal’s grid:

1. Devighat Hydropower Station (14.1 MW) – Commissioned 1984; takes water from Trishuli tailrace.


2. Upper Trishuli 3A (60 MW) – Commissioned 2019; supports peak demand in Kathmandu; built with Chinese financing.




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🚀 Upper Trishuli‑1 Hydropower Project

Nepal’s upcoming mega project on the same river:

Capacity: 216 MW (3 × 72 MW Francis turbines)

Annual Output: ~1,533 GWh (≈ 20% national generation)

Location: Rasuwa District (~70 km north of Kathmandu)

Investment: US $647 M (financed by IFC, ADB, AIIB, KOEN, KIND, KOICA, NEA)

Design: 2.1 ha diversion dam → 2 intake tunnels → ~9.8 km headrace tunnel → underground powerhouse

Operation Model: 35‑year BOOT; electricity sold to NEA via 30‑year PPA



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🌏 Impact on Nepal’s Energy

Reduces load-shedding risk in dry season

Boosts clean energy share in the grid

Strengthens Kathmandu power supply during peak demand

Supports economic growth through stable electricity



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⏱ Suggested Timestamps

00:00 Intro & History
01:45 Technical Specs of Trishuli Station
03:10 Renovation & Bypass Canal
05:00 Devighat & Trishuli 3A Projects
07:30 Upper Trishuli‑1 Overview
10:00 Economic & Environmental Impact
12:30 Nepal’s Energy Future


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